As new Rangers signing Vaclav Cerny cut in from the right hand side of the pitch v Motherwell, you almost felt like shedding a tear. And not just because the Czech international winger just rasped a left-footed stunner past Motherwell goalkeeper Aston Jay Oxborough. It was a match-winning moment in the first half which encapsulated why Rangers were so eager to sign the 26-year-old winger. A la Arjen Robben, it was also the first time we’ve seen a right-winger with such quality take the game by the scruff of the net in a very long time. Rangers have been crying out for a hero off the right for …